Why the study?
Does beta-adrenergic stimulation induce CARP expression and does CARP overexpression deteriorate contractile function in cardiac models?
Population
Male Wistar rats, isolated neonatal rat cardiomyocytes, and engineered heart tissue
Comparison
Isoprenaline and adenovirus encoding human CARP vs Vehicle-treated controls and control virus
Design
Preclinical
Follow-up
4 days (in vivo)
Authors
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May implicate CARP in beta-adrenergic contractile impairment; hypothesis-generating for HF therapies pending in vivo validation.
Does beta-adrenergic stimulation induce CARP expression and does CARP overexpression deteriorate contractile function in cardiac models?
Beta-adrenergic stimulation induces CARP expression via PKA and CaMK pathways, and CARP overexpression impairs cardiac contractile function, suggesting a mechanism for deteriorated contractility in heart failure.
Oliver Zolk (2003) studied this question.
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